20395291

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{467}}^1$

素因数の和:858

約数の個数: 16

約数和(自身を含む): 24800256

約数和(自身を除く): 4404965

約数列:

[1, 7, 17, 119, 367, 467, 2569, 3269, 6239, 7939, 43673, 55573, 171389, 1199723, 2913613, 20395291]

約数ペア:

[(1, 20395291), (7, 2913613), (17, 1199723), (119, 171389), (367, 55573), (467, 43673), (2569, 7939), (3269, 6239)]